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Brain connectivity dynamics during listening to music and potential impact on task performance
Geethanjali Balasubramanian1, Adalarasu Kanagasabai2, Mahesh Veezhinathan1
1Department of Biomedical Engineering, SSN College of Engineering, Chennai, Tamil Nadu India.
Cognitive Neurodynamics
|June 3, 2024
Summary
Listening to Indian classical music alters brain connectivity, particularly in frontal regions. Music enhanced task performance, as indicated by fewer errors when music was present compared to silence.
Area of Science:
- Neuroscience
- Cognitive Science
- Music Psychology
Background:
- Brain connectivity dynamics are crucial for cognitive functions.
- Music's influence on brain activity and task performance is an area of ongoing research.
- Indian classical music offers a unique auditory stimulus for investigating these effects.
Purpose of the Study:
- To analyze brain connectivity changes during music listening.
- To assess the impact of Indian classical music on visual-spatial attention task performance.
- To correlate EEG-based brain activity with behavioral outcomes.
Main Methods:
- Electroencephalography (EEG) was used to record brain activity in 15 participants.
- Brain connectivity analysis visualized neural connections under different conditions.
- A Visual Go/No Go task evaluated attention, measuring reaction times and errors.
Main Results:
- Listening to music (Task 1) showed altered frontal lobe activity (F3, F7) and higher beta component energy at F7.
- Music combined with tasks (Task 2) revealed significant alpha and theta synchronization in bilateral frontal lobes.
- Performing tasks without music (Task 3) resulted in more omission and commission errors compared to tasks with music.
Conclusions:
- Indian classical music significantly modulates brain connectivity patterns, especially in frontal regions.
- Music listening, particularly when combined with tasks, appears to enhance visual-spatial attention and reduce errors.
- These findings suggest music can be a valuable tool for cognitive enhancement.
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